delta18O variations in the Halimeda of Virgin Islands sands: evidence of cool water in the northeast Caribbean, late Holocene
Charles W. Holmes
1983, Journal of Sedimentary Research (53) 429-438
Halimeda segments from carbonate sands on the Virgin Islands platform have delta 18 O versus PDB isotopic values ranging from -0.3% to -1.3% (x = -0.9%). Modern Halimeda segments from the same area have a measured delta18 O ranging from -2.0% to -2.5% PDB (x = -2.15%), and the carbonate skeleton appears to...
Sea-floor-mounted rotating side-scan sonar for making time-lapse sonographs
David M. Rubin, David S. McCulloch, Harry R. Hill
1983, Continental Shelf Research (1) 295-301
A rotating side-scan sonar system was designed to make time-lapse sonographs of a circular area of the sea floor. To construct the system, the transducers of a commercial side-scan system (frequency 105 kHz; pulse length 0.1 ms; horizontal beam width 1°; vertical beam width 20°; beam depressed 10° with respect...
An updated Bouguer anomaly map of south-central West Africa
David A. Hastings
1983, Geophysics (48) 1120-1128
A new Bouguer gravity anomaly map compiled for western Africa adds data for Ghana, Guinea, and Liberia.The new data add detail to a key part of the Eburnean shield and assist in the development of a model of rifting at the time of the Eburnean orogeny, 2000 million years ago....
Furrowed outcrops of Eocene chalk on the lower continental slop offshore New Jersey
James M. Robb, John R. Kirby, John C. Hampson, Patricia R. Gibson, Barbara Hecker
1983, Geology (11) 182-186
A sea bottom of middle Eocene calcareous claystone cut by downslope-trending furrows was observed during an Alvin dive to the mouth of Berkeley Canyon on the continental slope off New Jersey. The furrows are 10 to 50 m apart, 4 to 13 m deep, linear, and nearly parallel in water depths of...
SUBMICROSCOPIC ( less than 1 mu m) MINERAL CONTENTS OF VITRINITES IN SELECTED BITUMINOUS COAL BEDS.
J.A. Minkin, E. C. T. Chao, C.L. Thompson, M.-V. Wandless, F.T. Dulong, R.R. Larson, S.G. Neuzil
Gooley Ron, editor(s)
1983, Conference Paper, Proceedings, Annual Conference - Microbeam Analysis Society
An important aspect of the petrographic description of coal is the characterization of coal quality, including chemical attributes. For geologic investigations, data on the concentrations, distribution, and modes of occurrence of minor and trace elements provide a basis for reconstructing the probable geochemical environment of the swamp material that was...
Publications of the Geological Survey, 1982
1983, Report
This catalog is a list of (1) books and maps that were published during 1982, and (2) articles by Geological Survey personnel in non-Geological Survey journals and books that came to our attention in 1982; it supplements the permanent catalogs "Publications of the Geological Survey, 1879-1961" and "Publications of the...
Chemical immobilization of North American mule deer
Robert E. Lange
Leon Nielsen, Jerry C. Haigh, Murray E. Fowler, editor(s)
1983, Conference Paper, Proceedings of the North American Symposium: Chemical immobilization of North American wildlife
The choice of agents for chemical immobilization of mule deer (Odocoileus hemionus) is a problem with a simple and effective solution, in my opinion. I recommend combinations of etorphine hydrochloride (M199©) and xylazine hydrochloride (Rompun©) administered intravenously and reversed intravenously. I have used this combination on hundreds of mule deer...
Notes on sedimentation activities calendar year 1982
1983, Report
This report is a digest of information furnished by those Federal agencies conducting sedimentation investigations. It includes descriptions of work in progress or planned, important findings, new methods, new publications, laboratory and other research activities, and other pertinent information. The material has been organized by major drainage regions in the...
The Eastern Gas Shales Project (EGSP) Data System: A case study in data base design, development, and application
T. S. Dyman, L.A. Wilcox
1983, Journal of the International Association for Mathematical Geology (15) 363-369
The U.S. Geological Survey and Petroleum Information Corporation in Denver, Colorado, developed the Eastern Gas Shale Project (EGSP)Data System for the U.S. Department of Energy, Morgantown, West Virginia. Geological, geochemical, geophysical, and engineering data from Devonian shale samples from more than 5800 wells and outcrops in the Appalachian basin were...
An isolated population of small Canada geese on Kaliktagik Island, Alaska
Scott A. Hatch, Martha A. Hatch
1983, Wildfowl (34) 130-136
Recently we discovered that a small form of the Canada Goose Branta canadensis breeds on Kaliktagik Island, one of the Semidi Islands, about 80 km south of the Alaska Peninsula near longitude 157°W (Figure 1). The unexpected occurrence of geese on this oceanic island and the possibility that they are...
Use of nearshore and estuarine areas by gray whales (Eschrichtius robustus) in the eastern Bering Sea
Robert E. Gill Jr., John D. Hall
1983, Arctic (36) 275-281
During spring aerial surveys of the coast of the southeastern Bering Sea significant numbers of gray whales were seen in nearshore waters along the north side of the Alaska Peninsula. Many (50-80%) of these animals were observed surfacing with mud trails or lying on their sides, characteristics both associated with...
Retention of infectious haematopoietic necrosis virus infectivity in fish tissue homogenates and fluids stored at three temperatures
J. Burke, D. Mulcahy
1983, Journal of Fish Diseases (6) 543-547
Pools of brain, kidney, spleen, liver and gut tissues from several rainbow trout, Salmo gairdneri Richardson, and whole sockeye salmon, Oncorhynchus nerka (Walbaum), fry were homogenized with a known amount of infectious haematopoietic necrosis virus (IHNV). Virus was also added to ovarian fluids and sera pooled from several rainbow trout....
Detection of infectious hematopoietic necrosis virus in river water and demonstration of waterborne transmission
Daniel M. Mulcahy, Ronald J. Pascho, C.K. Jenes
1983, Journal of Fish Diseases (6) 321-330
In a study of the possible role of waterborne infectious haematopoietic necrosis virus in transmission of the disease among spawning sockeye salmon, Oncorhynchus nerka (Walbaum), both infection rates and virus titres were higher in fish held at high density in a side channel than in fish in the adjacent river....
Seabirds between Alaska and Hawaii
Patrick J. Gould
1983, The Condor (85) 286-291
Seabirds were observed between Alaska and Hawaii along 158°W longitude from 24 October to 6 November 1976. Their distributions and abundances corresponded remarkably well to oceanographic regions. Indices of seabird density dropped in a series of plateaus from 44 birds/km2 in the Alaska Current System to less than 1 bird/km2...
Memorial to a Black Turnstone: An examplar of breeding and wintering site fidelity
Robert E. Gill Jr., Colleen M. Handel, Leonard A. Shelton
1983, North American Bird Bander (8) 98-101
Most of us who have banded long-distance migrants are aware, through recaptures of individuals, of the high degree of site fidelity exhibited by many bird species. It is not uncommon for a bander to have a marked bird remain in the vicinity of its banding site throughout a season and...
Observations of emperor geese feeding at Nelson Lagoon, Alaska
Margaret R. Petersen
1983, The Condor (85) 367-368
Estuaries along the north side of the Alaska Peninsula provide essential habitat for most of the American population of Emperor Goose (Chen canagica) during migration (Petersen and Gill 1982). Most of the population passes through Nelson Lagoon in spring and fall, with over 40,000 birds recorded there (Gill et al...
Yellow birds stand out in a crowd
Colleen M. Handel, Robert E. Gill Jr.
1983, North American Bird Bander (8) 6-9
Highly visible auxiliary markers, such as neck collars, nasal saddles, patagial tags, and leg streamers, are used regularly and effectively with banding in studying migration and distribution of large birds (e.g. waterfowl, birds of prey, wading birds). Simply stated, a large bird can accommodate a marker that is large enough...
The fledging of common and thick-billed murres on Middleton Island, Alaska
Scott A. Hatch
1983, Journal of Field Ornithology (54) 266-274
Three species of alcids, Common and Thick-billed murres (Uria aalge and U. lomvia) and the Razorbill (Alca torda), have post-hatching developmental patterns intermediate to precocial and semi-precocial modes (Sealy 1973). The young leave their cliff nest sites at about one quarter of adult weight and complete their growth at sea....
Complexation of copper by aquatic humic substances from different environments
Diane M. McKnight, Gerald L. Feder, E. Michael Thurman, Robert L. Wershaw
1983, Science of the Total Environment (28) 65-76
The copper-complexing properties of aquatic humic substances isolated from eighteen different environments were characterized by potentiometric titration, using a cupric ion selective electrode. Potentiometric data were analyzed using FITEQL, a computer program for the determination of chemical equilibrium constants from experimental data. All the aquatic humic substances could be modelled...
Populations and habitat use of marine birds in the Semidi Islands, Alaska
Scott A. Hatch, Martha A. Hatch
1983, Murrelet (64) 39-46
About one-quarter of the resident seabirds in the Gulf of Alaska breed on the Semidi Islands. In terms of biomass, the proportion is closer to one-third. The most abundant birds are Common and Thick-billed Murres, with a combined population exceeding 1 million birds. Hundreds of thousands of Horned Puffins breed...
Nestling growth relationships of brown-headed cowbirds and dickcissels
Scott A. Hatch
1983, The Wilson Bulletin (95) 669-671
Data on nestling growth of brood parasites and their hosts are surprisingly few in the literature, Even the Brown-headed Cowbird (Molothrus ater), whose host relations have been studied in some other respects, has not been studied in any detail from this standpoint. This is particularly regrettable because the lack of...
Atlantic Flyway review: Region V: Laurel, Prince Georges County, MD (390-0765)
Chandler S. Robbins
1983, North American Bird Bander (8) 32-32
Nets were operated at this suburban backyard station before and after work during the week, and all day on as many weekends as possible, from 23 August to 30 November. A trip to Spain interrupted banding in mid-September and accounted for the drop in both species and individuals banded. This also...
Altitude of the top of the Matawan Group-Magothy Formation, Suffolk County, Long Island, New York
Richard K. Krulikas, E. J. Koszalka, Thomas P. Doriski
1983, Open-File Report 83-137
The Magothy aquifer, with its irregular surface and deeply eroded buried valleys, has become the major source of fresh water in most of Suffolk Country. With the availability of recent data from deep wells and test holes, refinement of the surface-altitude contours has been possible and resulted in substantial revision...
Aeromagnetic map of the Kingman-Trona area, California
Water Resources Division, U.S. Geological Survey
1983, Open-File Report 83-663
No abstract available....
SOME NEW PROCESSING TECHNIQUES FOR THE IMPERIAL VALLEY 1979 AFTERSHOCKS.
A. Gerald Brady
Chung Riley M.Lew H.S.Kovacs William D., editor(s)
1983, Conference Paper, National Bureau of Standards, Special Publication
This paper describes some of the features of the latest processing improvements that the U. S. Geological Survey (USGS) is currently applying to strong-motion accelerograms from the national network of permanent stations. At the same time it introduces the application of this processing to the set of Imperial Valley aftershocks...
